The rotating electrical contact has a rotor with a first flexible connector (16A) connection. A second flexible connector (16B) covers part of the length of the first connector following its path around the rotor.

The invention relates to a hands-free vehicle engine start authorization system comprising an onboard user identification device (1) capable of exchanging identification data via a transmission antenna (7) according to an "active" mode of communication wit...

This device comprises a selector (14), articulated on a main support (16), and first (18) and second (20) guide means for this selector (14) according to, respectively, a first movement for selecting the operating configuration of the gearbox P, R, N, D an...

The remote control locking and starting circuit for a motor vehicle has a logic sub assembly (3) and a radio receiver sub assembly (4') with the receiving antenna (5) extending along the steering column. the vehicle has a circuit board (8) at the top of th...

The hands free motor vehicle starting and security operation method involves registering (30) first information in the portable remote identification control (1) and communicating it with the vehicle control circuit in response to vehicle starting. It invo...

Radio collision between radio based security systems on two vehicles (V1,V2) may be overcome by making identification system (M1) emit shortened codes after an initial failure to authenticate a response. The shortened code is sufficient to establish the pr...

The electronic circuit intended to supply a magnetic field transmitting coil has a first input terminal (1) to receive a supply voltage (Ubat), a second input terminal (2) to receive a periodic control signal (SC) within a predefined frequency range, an ou...

The detector for fogging of a motor vehicle windscreen uses values of the average surface temperature (Tr) of the screen (Tv) and a dew point temperature (Tr) for the air in the passenger space. Comparison of the two temperatures is representative of the r...

The air conditioning control for a motor vehicle air conditioning has a computer to evaluate a comfortable temperature (Tco) for a passenger in a predetermined region of the vehicle compartment. The air conditioning control selectively modifies the conditi...

The low frequency communications system has a console (3) mounted inside on the car floor. The console is connected to an antenna (4) running along the car length forming an extended loop around the console. The antenna has an air interface and its shape a...